Finding the Fourth Proportional to 47,897.42, 66,137.22 and 30,910.10

Step by Step Solution

1. Step 1: Write the proportion equation
   47,897.42 : 66,137.22 = 30,910.10 : x
2. Step 2: Convert to fraction form
   47,897.42/66,137.22 = 30,910.10/x
3. Step 3: Cross multiply
   47,897.42x = 66,137.22 × 30,910.10
4. Step 4: Simplify right side
   47,897.42x = 2,044,308,083.92
5. Step 5: Solve for x
   x = 2,044,308,083.92/47,897.42
6. Step 6: Final answer
   x = 42,680.96